316345663 has 2 divisors, whose sum is σ = 316345664. Its totient is φ = 316345662.

The previous prime is 316345643. The next prime is 316345681. The reversal of 316345663 is 366543613.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 316345663 - 2¹³ = 316337471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316345613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158172831 + 158172832.

It is an arithmetic number, because the mean of its divisors is an integer number (158172832).

Almost surely, 2^316345663 is an apocalyptic number.

316345663 is a deficient number, since it is larger than the sum of its proper divisors (1).

316345663 is an equidigital number, since it uses as much as digits as its factorization.

316345663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 37.

The square root of 316345663 is about 17786.1087087648. The cubic root of 316345663 is about 681.3767256550.

The spelling of 316345663 in words is "three hundred sixteen million, three hundred forty-five thousand, six hundred sixty-three".